1. After attaching four PCs to the switch ports, configuring the SSID and setting authentication properties for a small office network, a technician successfully tests the connectivity of all PCs that are connected to the switch and WLAN. A firewall is then configured on the device prior to connecting it to the Internet. What type of network device includes all of the described features?

Refer to the exhibit. Assume that the exhibited output is from a host that is connected to a Linksys integrated router. What is the first thing that should be checked if using a bottom-up troubleshooting approach?

For the second time in a week, workstations on a LAN are not able to log into the server. The technician fixed the problem the first time, but cannot remember the steps taken to solve it. What aspect of the troubleshooting process has the technician neglected?

A network designer is working with a small company to determine the network type best suited to the needs of the company. Which two characteristics could the designer use to describe a peer-to-peer network to the owner of the company? (Choose two.)

Refer to the exhibit. An organization needs to connect PC systems that use private IP addressing to the Internet. The organization has multiple systems that need to access the Internet, but were only able to purchase one public IP address. What should be activated on the Linksys integrated router to achieve this goal?

A home user was successfully browsing the Internet earlier in the day but is now unable to connect. A pingcommand from a wireless laptop to a wired PC in the LAN is successful, but the nslookup command fails to resolve a website address. The user decides to analyze the LEDs on the Linksys router to verify connectivity. Which LED should be of main concern in this situation?

A technician can ping the public registered IP address of http://www.cisco.com but cannot successfully ping the URL address http://www.cisco.com from a host computer. Which software utility can the technician use to diagnose the problem?

Refer to the exhibit. A PC requests an IP address from the server. Which two protocols are used at the TCP/IP application layer and the internetwork layer? (Choose two.)

DHCP

FTP

IP

TCP

UDP

2

TCP/IP data transmission between the source and destination host is de-encapsulated in four steps:A. The TCP header is removed.
B. Bits are decoded and the destination MAC address is recognized.
C. The IP header is removed and the contents are passed to the next layer.
D. The Ethernet header and trailer are removed.What is the correct sequence of these steps?

A, B, C, D

A, C, B, D

B, C, D, A

B, D, C, A

C, A, B, D

3

What is the function of the DNS server?

It assigns IP addresses to clients.

It accepts HTTP requests from clients.

It maps a hostname to a corresponding IP address.

It manages the domain that clients are assigned to.

4

Which two automatic addressing assignments are supported by DHCP? (Choose two.)

local server address

subnet mask

default gateway address

physical address of the recipient

physical address of the sender

5

What measurement is commonly used to describe communication speed when transferring data?

bps

cps

Hz

MB

6

Refer to the exhibit. A user on host A sends an e-mail to the user on host B. Which type of message does host A send?

broadcast

multicast

simulcast

unicast

7

As an assignment, a computer science student needs to present data in binary format. What are the two possible values that the student can use? (Choose two.)

0

1

2

A

F

8

Which term is associated with logical addressing?

IP addresses

port addresses

physical addresses

Media Access Control addresses

9

Which three statements describe an IP address? (Choose three.)

An IP address is known as a logical address.

An IP address uses a 30-bit addressing scheme.

An IP address is found in the Layer 2 header during transmission.

The network portion of an IP address is burned into a network interface card.

An IP address is unique within the same local network.

The network portion of an IP address will be the same for all hosts that are connected to the same local network.

10

Refer to the exhibit. Which option correctly represents the encapsulation of a packet that is sent by Host1 to the web server?

<<< TRUE

11

When are leased lines typically used?

when low bandwidth is required

for home and small business connectivity

when a dedicated digital data line is necessary

as a less expensive option to cable and DSL modem service

12

What are two advantages of purchasing a custom-built computer? (Choose two.)

usually a lower cost

no waiting period for assembly

user can specify higher performance components

supports higher-end graphics and gaming applications

fewer components to replace

13

What is an ISP?

It is a standards body that develops cabling and wiring standards for networking.

It is a protocol that establishes how computers within a local network communicate.

It is an organization that enables individuals and businesses to connect to the Internet.

It is a networking device that combines the functionality of several different networking devices in one.

14

Which statement accurately describes what network devices do in the distribution layer of the three layer design model?

They interconnect individual hosts.

They interconnect multiple companies.

They interconnect local network segments.

They interconnect the company network to the ISP.

15

Which network design layer provides hosts with initial connectivity to the network?

access

core

distribution

network

16

What statement describes the filtering of traffic via the use of Stateful Packet Inspection?

It recognizes and filters predefined URLs

It permits access that is based on the application.

It permits access based on IP or MAC addresses.

It permits incoming packets that are legitimate responses to requests from internal hosts.

It translates an internal address or group of addresses into a public address that is sent across the network.

17

What advantage does a peer-to-peer network have over a client-server network?

It increases security.

It increases scalability.

It produces a higher performance for hosts.

It eliminates the need for centralized administration.

18

After attaching four PCs to the switch ports, configuring the SSID and setting authentication properties for a small office network, a technician successfully tests the connectivity of all PCs that are connected to the switch and WLAN. A firewall is then configured on the device prior to connecting it to the Internet. What type of network device includes all of the described features?

switch

ISR router

firewall appliance

standalone wireless access point

19

Which portion of the packet does a router use to forward the packet to the destination?

source IP address

user data

destination IP address

control information

destination MAC address

20

Refer to the graphic. Based on the information that is shown, what statement is true?

This configuration would be commonly found in an ad hoc wireless network.

Any wireless client that is attached to this access point would have the same IP address and SSID.

All wireless devices that are connected to this access point must have an assigned SSID of Academy.

In addition to accepting wireless client requests, this access point must connect to the wired network.

21

What is the function of a physical topology map?

records IP addressing of each host

records hostnames and applications

organizes groups of hosts by how they use the network

shows where wiring is installed and the locations of network devices

22

Which value represents the host portion of IP address 128.107.10.11 with a subnet mask of 255.255.0.0?

.10

.10.11

128.107

.107.10.11

128.107.10

23

What is specified by the host bits in an IP address?

broadcast identity of the network

identity of the computer on the network

network that is being addressed

network to which the host belongs

24

What describes the external IP address that is obtained by a router through a cable or DSL modem?

a public address that is obtained from ICANN

a private address that is manually configured by the administrator

a public address that is obtained through DHCP from the ISP

a private address that converts to a public address on the internal LAN

25

Refer to the exhibit. Which pair of addresses would be appropriate to use for PC1 and PC2 to establish a workgroup using private addresses?

127.0.0.1 and 127.0.0.2

172.16.4.2 and 172.16.4.3

172.16.5.1 and 192.168.3.2

198.133.219.25 and 198.133.219.26

26

Under what circumstance would it be appropriate to use private IP addresses?

for communication between two ISPs

for a network that is directly connected to the Internet

for addresses that are used exclusively within an organization.

for a host with more than one direct connection to the Internet

27

Which wireless protocol is used for encryption?

EAP

Open

PSK

WEP

28

Refer to the exhibit. The security policy of an organization requires users to change their password every week. Which type of security policy is this?

acceptable use

network maintenance

password

remote access

29

Which type of network attack occurs when an unauthorized person tries to persuade a user to share a network user ID and password?

brute force

denial of service

data manipulation

social engineering

30

A system administrator routinely monitors failed login attempts on a server. If the administrator sees an extremely high number of failed attempts by a single user who is trying multiple password combinations, what type of attack is in progress?

brute force

phishing

SYN flood

virus

vishing

31

What is the purpose of spam filter software?

It detects and removes spyware.

It detects and removes viruses.

It prevents the display of advertisement windows.

It examines incoming e-mail messages to identify the unsolicited ones.

32

Refer to the exhibit. An educational institution needs to connect PC systems that use private IP addressing to the Internet. They have multiple systems that need to access the Internet, but were only able to purchase one public IP address. What should be activated on the Linksys integrated router to achieve this goal?

authentication

DHCP

encryption

firewall

NAT

WEP

33

How does a crossover cable connect two routers?

It connects the pins that are used for receiving on one router to the pins that are used for receiving on the other router.

It connects the pins that are used for transmitting on one router to the pins that are used for receiving on the other router.

It disconnects the transmit pins and uses only the receive pins.

It uses the same pins for transmitting and receiving.

34

Which wireless technology allows only one-to-one connections and is typically used for short-range, line-of-sight communication?

GSM

Wi-Fi

Infrared

Bluetooth

35

Which picture shows a USB port on a PC?

<<< TRUE

36

Which type of computer has an integrated mouse?

desktop

laptop

mainframe

server

pocket PC

37

Which adapter card would be required for a PC to exchange information with other PCs on a LAN?

NIC

video card

sound card

internal modem

38

What component of a personal computer is responsible for the processing of all data?

RAM

CPU

firewall

system bus

operating system

39

Which wireless component allows wireless clients to gain access to a wired network?

PDA

STA

access point

wireless bridge

40

Which two components are configured via software in order for a PC to participate in a network environment? (Choose two.)

MAC address

IP address

kernel

shell

subnet mask

41

Which Windows PC command line utility can be used to discover the path that a packet takes to reach a destination?

ping

netstat

tracert

nslookup

ipconfig

42

Refer to the exhibit. A wireless client is unable to connect to a Linksys WRT300N access point that is using network 192.168.1.0/24 for its LAN and WLAN clients. What could cause the problem?

The IP address is incorrect.

The subnet mask is incorrect.

The default gateway is incorrect.

All addresses are correct, so the SSID must be incorrect.

43

What two commands can be used to form a new binding if client information does not agree with the DHCP client table? (Choose two.)

ipconfig /release

ipconfig /all

ipconfig /flushdns

ipconfig /renew

ipconfig

44

Which device is often configured to act as both a DHCP client and a DHCP server?

home PC

ISP modem

wireless-enabled laptop

integrated services router

45

Refer to the exhibit. What is the effect of setting the security mode to WEP on the Linksys integrated router?

The WEP security mode enables the AP to inform clients of its presence.

The WEP security mode encrypts network traffic during transmission between the AP and the wireless client.

The WEP security mode generates a dynamic key each time a client establishes a connection with the AP.

The WEP security mode identifies the WLAN.

46

Which installation option should be chosen when the current operating system is too damaged to work properly?

upgrade

multi-boot

clean install

virtualization

47

Which two causes of networking problems are related to the physical layer? (Choose two.)

disconnected cables

improper operation of cooling fans

incorrect MAC address

incorrect default gateway

incorrect subnet mask

48

A user in a small office is unable to connect to the Internet. The user examines the physical connections to the ISR, a Linksys WRT300N, and notices a solid green LED on the port that is wired to the computer. What does the LED indicate about the current state of the port?

The ISR is making adjustments to the port.

The device is plugged in and traffic is flowing.

The computer is plugged in but no traffic is flowing.

The ISR does not detect that the computer is plugged in.

49

Refer to the exhibit. PC1 is unable to access the web server at 209.165.200.226/27. Based on the provided output, what is the most likely cause of the problem?

Which protocol is used to transfer files among network devices and perform file-management functions?

DNS

FTP

HTML

HTTP

2

What is the function of the DNS server?

It assigns IP addresses to clients.

It accepts HTTP requests from clients.

It maps a hostname to a corresponding IP address.

It manages the domain that clients are assigned to.

3

A computer joins the network and announces itself to all hosts on the LAN. What type of message does
the computer send out?

broadcast

simulcast

multicast

unicast

4

As an assignment, a computer science student needs to present data in binary format. What are the two
possible values that the student can use? (Choose two.)

0

1

2

A

F

5

What type of message is sent to a specific group of hosts?

static

unicast

dynamic

multicast

broadcast

6

Which term is associated with logical addressing?

IP addresses

port addresses

physical addresses

Media Access Control addresses

7

What destination IP address is used in a unicast packet?

a specific host

a group of hosts

all hosts on the network

the network broadcast address

8

Which value would be considered the physical address for data that is sent across an Ethernet segment?

IP address

port address

MAC address

network address

9

Refer to the exhibit. Which option correctly represents the encapsulation of a packet that is sent by
Host1 to the web server?

<<< TRUE

10

What are two examples of peripheral output devices? (Choose two.)

barcode reader

digital camera

external DVD

headphones

printer

11

What does the term “attenuation” mean in data communication?

loss of signal strength as distance increases

time for a signal to reach its destination

leakage of signals from one cable pair to another

strengthening of a signal by a networking device

12

Which network design layer provides a connection point for end user devices to the network?

access

core

distribution

network

13

Which two statements are true about local applications? (Choose two.)

They run on the network.

An example of a local application is e-mail.

They are accessed from a remote computer.

They are stored on the local hard disk.

They run on the computer where they are installed.

14

Which portion of the packet does a router use to forward the packet to the destination?

source IP address

user data

destination IP address

control information

destination MAC address

15

Refer to the exhibit. H1 can ping H2, H3, and the Fa0/0 interface of router R1. H2 and H3 but not H1
can ping H4 and H5. What is a possible cause for the H1 failure?

Router R1 has no route to the destination network.

Switch S1 does not have an IP address configured.

The link between router R1 and switch S2 has failed.

Host H1 does not have a default gateway configured.

16

Refer to the exhibit. If H4 sends a message to H1 and the destination MAC address is in the MAC table
for both Switch1 and Switch2, which host devices will receive the message?

only H1

hosts H1 and H4

all hosts that are connected to Switch1

all hosts that are connected to Switch1 and Switch2

17

Refer to the exhibit. Which statement is true based on the information that is shown in the exhibit?

All wireless devices that are connected to this AP must have an assigned SSID of College.

Any wireless client that is attached to this AP must have the same IP address and SSID.

The AP is not physically wired to the local LAN.

This configuration is found only in an ad hoc wireless network.

18

Refer to the exhibit. A home network is configured with the information in the graphic. A user tries to
manually create a new connection to the network using the SSID Ciscoclass. However, a connection
cannot be made. What could be the problem?

The SSID is case-sensitive.

The SSID must contain at least one number.

The SSID should be used with the default name.

The SSID must contain a minimum of 32 characters.

19

Refer to the exhibit. Assume that the command output is from a wireless DHCP client that is connected to
a Linksys integrated router. What can be deduced from the output?

The DHCP configuration on the router needs to be verified.

The WEP key or SSID needs to be verified.

The wireless connection is operational.

The wireless NIC driver or the NIC itself needs to be reinstalled.

20

What will be one result of using a wireless infrastructure when designing the communications infrastructure
for a new building?

Wireless devices will be easy to add or relocate.

Infrastructure installation will be difficult and expensive.

There will be less interference from outside electronic sources.

Data transmitted over wireless networks will be more secure than when transmitted over wired networks.

21

What is specified by the network number in an IP address?

the network to which the host belongs

the physical identity of the computer on the network

the node of the subnetwork which is being addressed

the broadcast identity of subnetwork

22

Refer to the exhibit. Given the use of default masks, which network will router R1 use as the destination
network for communications from PC1 to PC2?

128.0.0.0

128.107.0.0

128.107.1.0

192.0.0.0

192.135.0.0

192.135.14.0

23

Which two values represent the network number and default mask for the address 209.165.200.225? (Choose two.)

209.0.0.0

209.165.0.0

209.165.200.0

255.0.0.0

255.255.0.0

255.255.255.0

24

Which three address ranges can be used to depict private IP addresses? (Choose three.)

10.0.0.0 to 10.0.0.255

127.16.0.0 to 127.16.255.255

150.150.0.0 to 150.150.255.255

172.16.1.0 to 172.16.1.255

192.168.22.0 to 192.168.22.255

200.100.50.0 to 200.100.50.255

25

Under what circumstance would it be appropriate to use private IP addresses?

for communication between two ISPs

for a network that is directly connected to the Internet

for addresses that are used exclusively within an organization.

for a host with more than one direct connection to the Internet

26

Which part of the electromagnetic spectrum is commonly used to exchange data between a PDA and a computer?

FM

radar

infrared

ultraviolet

27

Refer to the exhibit. The security policy of an organization allows employees to connect to the office intranet from their homes. Which type of security policy is this?

acceptable use

incident handling

network maintenance

remote access

28

What wireless technology has the ability to communicate with many devices at the same time, makes use of the 2.4 GHz band, and is limited to low-speed, short-range communications?

RF

ISM

infrared

Bluetooth

29

Which type of network attack occurs when an unauthorized person tries to persuade a user to share a network user ID and password?

brute force

denial of service

data manipulation

social engineering

30

Refer to the exhibit. An organization needs to connect PC systems that use private IP addressing to the Internet. The organization has multiple systems that need to access the Internet, but were only able to purchase one public IP address. What should be activated on the Linksys integrated router to achieve this goal?

authentication

DHCP

encryption

firewall

NAT

WEP

31

A network administrator is setting up an application filtering firewall. Company security policy states that FTP sessions that are coming from the Internet and use the standard FTP port must be blocked. Which TCP/UDP port must the administrator block on the firewall to be in compliance?

21

23

53

80

32

What is the name for the contract between a customer and an ISP that specifies requirements for uptime and service response time?

DSL

IAB

NAP

SLA

33

How does a crossover cable make it possible for two “like devices” (for example, two switches) to communicate?

The transmit pins are disconnected and only the receive pins are used.

The transmit pins on one device are connected to the transmit pins on the other device.

The receive pins on one device are connected to the receive pins on the other device.

The transmit pins on one device are connected to the receive pins on the other device.

34

Which attribute must be the same for wireless devices on one network to be able to communicate with devices on a different network?

DNS server

MAC address

default gateway

operating system

wireless equipment vendor

35

Which picture shows a USB port on a PC?

<<< TRUE

36

A college network administrator is planning a wireless LAN to provide service in the student lounge and outdoor patio. The requirements include a range of at least 80 meters and a speed of 30 Mb/s. Which wireless LAN standard meets these requirements?

802.11

802.11a

802.11b

802.11g

37

Which type of computer has an integrated mouse?

desktop

laptop

mainframe

server

pocket PC

38

What is true about a wireless access point that is equipped with an omnidirectional antenna?

concentrates signal in one direction

typically used in bridging applications

radiates the signal equally in all directions

provides the greatest transmission distance of all antenna types that are used by APs

39

What are two ways that a user can interact with an operating system shell? (Choose two.)

CLI

OS

GUI

NIC

kernel

40

Refer to the exhibit. Assume that the exhibited output is from a host that is connected to a Linksys integrated router. What is the first thing that should be checked if using a bottom-up troubleshooting approach?

the default gateway on the host

the IP address on the host

the IP address on the router

the link status LED on the front of the router

the subnet mask on the host

41

For devices that do not autosense, which connection requires a crossover cable?

hub port to router port

PC to hub port

PC to switch port

PC port to PC port

42

Which statement is true about UTP cable termination?

Cables with RJ-45 connectors are always preterminated.

An RJ-45 connector is used on only one end of the UTP cable.

Up to 2 to 3 inches of cable may be untwisted at each end of the cable to allow for easier installation of the RJ-45 connector.

The RJ-45 connector should be pushed over the wire jacket for a smooth connection.

43

A local PC has the correct configuration that is required to access the network. A ping command that is sourced at the PC does not receive a response from a remote device. Which operating system command might be used to determine where the connection failed?

netstat

tracert

ipconfig

nslookup

44

An administrator is troubleshooting a network problem that involves the inability of users to reach Internet sites. During troubleshooting, the administrator is able to successfully ping web sites by their IP address, but pings to domain names are unsuccessful. Which service is most likely at fault?

DHCP

DNS

FTP

NAT

45

What two commands can be used to form a new binding if client information does not agree with the DHCP client table? (Choose two.)

ipconfig /release

ipconfig /all

ipconfig /flushdns

ipconfig /renew

ipconfig

46

Which installation option should be chosen when the current operating system is too damaged to work properly?

upgrade

multi-boot

clean install

virtualization

47

A user is unable to send e-mail. To begin troubleshooting this problem, the network technician uses the browser on the PC and tries to access some popular Internet websites. Which troubleshooting approach is being followed?

bottom-up

divide-and-conquer

top-down

trial and error

48

Which two causes of networking problems are related to the physical layer? (Choose two.)

damaged cables and connectors

incorrect addressing

incorrect subnet mask

overheated components

incorrect default gateway

49

Which statement accurately describes a recommended strategy for end users to employ when they interact with a help desk technician?

Provide as much information about the problem as possible.

Expect first-level help desk technicians to solve the problem, because they are highly-trained personnel.

Hand over the problem to the help desk professionals, then do not interfere with them.

At the beginning of the call, ask for the name and number of the supervisor of the help desk technician.

Which protocol in its default configuration downloads e-mail messages to the client computer and deletes them from the server?

FTP

POP3

SMTP

IMAP4

2

A user tries to open a page on the web server at http://www.cisco.com. The user’s workstation does not have the destination IP address in order to encapsulate the request. Which network topology will provide the services that are required to associate the name of the web server with an IP address?

<<< TRUE

3

TCP/IP data transmission between the source and destination host is de-encapsulated in four steps:A. The TCP header is removed.
B. Bits are decoded and the destination MAC address is recognized.
C. The IP header is removed and the contents are passed to the next layer.
D. The Ethernet header and trailer are removed.What is the correct sequence of these steps?

A, B, C, D

A, C, B, D

B, C, D, A

B, D, C, A

C, A, B, D

4

Which protocol is used to transfer files among network devices and perform file-management functions?

DNS

FTP

HTML

HTTP

5

Which of the following are transport layer protocols of the TCP/IP model? (Choose two.)

FTP

UDP

SMTP

TFTP

TCP

6

What measurement is commonly used to describe communication speed when transferring data?

bps

cps

Hz

MB

7

As an assignment, a computer science student needs to present data in binary format. What are the two possible values that the student can use? (Choose two.)

0

1

2

A

F

8

A host wants to send information simultaneously to all the other hosts in the same network. Which domain will support this type of communication?

broadcast

unicast

local

multicast

9

What destination IP address is used in a unicast packet?

a specific host

a group of hosts

all hosts on the network

the network broadcast address

10

Which portion of a received datagram is decoded and used by the internetwork layer of the TCP/IP model?

IP address

port number

MAC address

HTML/user data

11

What are two advantages of purchasing a custom-built computer? (Choose two.)

usually a lower cost

no waiting period for assembly

user can specify higher performance components

supports higher-end graphics and gaming applications

fewer components to replace

12

What is the most common reason that ISPs provide asymmetrical transfer services?

to carry a large amount of data in both directions at equal rates

to host servers on the Internet

to work with applications that require significant bandwidth

to work with large business applications

13

When is the use of a DSL modem necessary?

when a cellular telephone provides the service

when a high-speed connection is provided over a cable TV network

when a high-speed digital connection is required over the regular telephone line

when a satellite dish is used

14

Which network design layer provides a connection point for end user devices to the network?

access

core

distribution

network

15

Which two statements are true about network applications? (Choose two.)

Microsoft Word is an example of a network application.

Network applications are accessible from a remote computer.

Network applications are installed on a special type of computer that supports only network applications.

Network applications are installed on a network server.

Network applications are accessible by one computer at a time.

16

Which type of network supports DHCP and DNS services for network users in a network domain?

client/server

peer-to-peer

hierarchical

ad hoc

17

Which portion of the packet does a router use to forward the packet to the destination?

source IP address

user data

destination IP address

control information

destination MAC address

18

Refer to the exhibit. The network is experiencing excessive broadcast traffic from multiple hosts. What can be done to reduce the broadcast traffic that each host receives without compromising connectivity to the corporate servers?

Separate the switches with a router.

Create a separate VLAN for the servers and hosts.

Change from Ethernet switches to FastEthernet switches.

Increase the number of switches to reduce the number of PCs that are connected to each switch.

19

Refer to the exhibit. If host H8 sends a message to host H5 and the destination MAC address is in the MAC tables of both switches, which host device or devices will receive the message?

only host H5

all hosts on the network

all hosts that are connected to switch Sw1

all hosts that are connected to switch Sw2 and host H5.

all hosts that are connected to hub Hub1 and switch Sw1

20

Refer to the graphic. Based on the information that is shown, what statement is true?

This configuration would be commonly found in an ad hoc wireless network.

Any wireless client that is attached to this access point would have the same IP address and SSID.

All wireless devices that are connected to this access point must have an assigned SSID of Academy.

In addition to accepting wireless client requests, this access point must connect to the wired network.

21

Refer to the graphic. Assume that the command output is from a wireless DHCP client that is connected to a Linksys integrated router. What can be deduced from the output?

The wireless connection is good.

The WEP key or SSID needs to be checked.

The DHCP configuration on the router needs to be checked.

The wireless NIC driver or the NIC itself needs to be reinstalled.

22

How do ISPs obtain public IP addresses?

They create the addresses themselves.

They obtain the addresses from the home PCs.

They obtain the addresses from the Internet registry.

They obtain the addresses from the RFC.

23

Refer to the exhibit. In the wireless network, what is the maximum number of hosts supported if the IP addressing scheme contains four host bits?

6

14

16

30

32

254

24

What describes the external IP address that is obtained by a router through a cable or DSL modem?

a public address that is obtained from ICANN

a private address that is manually configured by the administrator

a public address that is obtained through DHCP from the ISP

a private address that converts to a public address on the internal LAN

25

After issuing the ipconfig/all command on a host that has DHCP enabled, a network administrator notes that the output contains faulty IP configuration information. What is the first step the administrator should take to resolve this issue?

Replace the NIC in the host.

Change the IP address of the DHCP server.

Use static addressing to assign the correct IP address.

Use the release and renew options supported by the ipconfig command.

26

Which three addresses belong to the category of private IP addresses? (Choose three.)

10.0.0.1

128.0.0.1

150.0.0.1

172.16.0.1

192.168.31.19

172.168.31.1

27

Which part of the electromagnetic spectrum is commonly used to exchange data between a PDA and a computer?

FM

radar

infrared

ultraviolet

28

What is the purpose of pop-up blocker software?

It detects and removes spyware.

It detects and removes viruses.

It prevents the display of advertisement windows.

It removes unwanted e-mail.

29

Refer to the exhibit. The security policy of an organization allows employees to connect to the office intranet from their homes. Which type of security policy is this?

acceptable use

incident handling

network maintenance

remote access

30

Which type of network attack occurs when an unauthorized person tries to persuade a user to share a network user ID and password?

brute force

denial of service

data manipulation

social engineering

31

When NAT is employed in a small office, which address type is typically used for hosts on the local LAN?

private IP addresses

global public IP addresses

Internet-routable addresses

both private and public IP addresses

32

Which statement is true concerning stateful packet inspection?

Access is permitted based on IP addresses of the source and destination devices.

Access is permitted based on the MAC addresses of the source and destination devices.

Access is permitted only if the type of application that is attempting to reach the internal host is allowed.

Access is permitted only if it is a legitimate response to a request from an internal host.

33

How does a straight-through cable connect two unlike devices?

It connects the receive pins on the first device to the receive pins on the second device.

It connects the transmit pins on the first device to the receive pins on the second device.

It disconnects the transmit pins and uses only the receive pins.

It uses the same pins for transmitting and receiving.

34

When would infrared be used to connect network devices?

when connecting multiple host devices to a wireless access point

when synchronizing a PC with a PDA that is in line of sight

when connecting a PC to a network switch that is located in another room

when updating two access points that are located in separate buildings

35

Which picture shows a USB port on a PC?

<<< TRUE

36

Which type of computer has an integrated mouse?

desktop

laptop

mainframe

server

pocket PC

37

Which adapter card would be required for a PC to exchange information with other PCs on a LAN?

NIC

video card

sound card

internal modem

38

Which two components are configured via software in order for a PC to participate in a network environment? (Choose two.)

MAC address

IP address

kernel

shell

subnet mask

39

Refer to the exhibit. Assume that the exhibited output is from a host that is connected to a Linksys integrated router. What is the first thing that should be checked while using a bottom-up troubleshooting approach?

the default gateway on the host

the IP address on the host

the IP address on the router

the link status LED on the front of the router

the subnet mask on the host

40

For devices that do not autosense, which connection requires a crossover cable?

hub port to router port

PC to hub port

PC to switch port

PC port to PC port

41

Which Windows command is used to display the configured IP address, subnet mask, and default gateway?

ipconfig

netstat

nslookup

tracert

42

What must be identical on all devices in a WLAN for successful wireless communication between the devices?

SSID

antenna type

network mode

wireless NIC driver

43

What is the purpose of the ipconfig /release command?

It forces a client to give up its current IP address.

It forces a client to give up its current MAC address.

It forces the client to clear all the MAC address to IP address associations it has learned.

It shows the current IP configuration on the client.

44

What is the common DHCP role of the ISR router in home and small office networks?

The ISR router acts only as a DHCP client.

The ISR router acts only as a DHCP server.

The ISR router acts as both a DHCP client and server.

The ISR router forwards all DHCP traffic and acts as neither a client nor a server.

45

A company has a web server that must be accessible to both external and internal clients. Which security policy best practice should be followed to maximize security of the server?

Place the web server in a DMZ.

Keep the web server on the external network.

Configure a firewall device to serve as the web server.

Locate the web server in the server farm of the internal network.

46

For the second time in a week, workstations on a LAN are not able to log into the server. The technician fixed the problem the first time, but cannot remember the steps taken to solve it. What aspect of the troubleshooting process has the technician neglected?

identifying the problem

asking end-users questions

documenting the troubleshooting process

using structured techniques to solve a problem

47

A network technician suspects that malware on a user PC is opening multiple TCP connections to a specific foreign host address. Which Windows command line utility can be used to confirm the multiple TCP connections?

ping

netstat

tracert

ipconfig

nslookup

48

Which two causes of networking problems are related to the physical layer? (Choose two.)

damaged cables and connectors

incorrect addressing

incorrect subnet mask

overheated components

incorrect default gateway

49

Refer to the exhibit. A Linksys integrated services router is being used by wireless clients to access a server which is directly connected to an Ethernet port on the router. The server and the clients are using DHCP for IP addressing from the Linksys device and are on the same subnet. The server and the wireless clients are obtaining the correct IP configuration and can ping the Linksys device, but are unable to ping each other. What could be causing this issue?

The ping failures indicate a routing problem on the Linksys device. Check for proper routes.

The symptoms indicate a physical connection problem on the server. Check for the proper cable type and the physical connection.

The problem is most likely occurring on the Linksys device. Check all configurations on the Linksys device to ensure no security restrictions could be causing the issue.

Radio frequency problems are the likely problem if the clients cannot connect to the server on the same subnet. Begin by checking the signal strength at the wireless clients.

50

What two pieces of information should a help desk technician document while troubleshooting connectivity issues with an end user? (Choose two.)

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Visit SnapWidget and generate a widget for your Instagram username or hashtag

Copy the code snippit

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